GasguzzlinXJ
NAXJA Forum User
- Location
- Nampa, Idaho
2000 XJ, 4.0, 5 SPDR, 109k miles... has run very well ever since I bought it, recently replaced the head and ran even better since then, always started right up, never idled high or low, never stuttered or died. Go to start it one night, and it cranks but wont start. Has fuel to it, all fuses are good, have flipped around relays, etc. 5v going to and from CPS. Brand new spark plugs, coil rail seems to be in good shape. Interestingly enough, we gave it a shot of fuel starter in the intake, and it wanted to start just a little. Went to the store to buy some more, got back and tried again, giving plenty of fuel starter to it, then there was NOTHING seems like an intermittent electrical issue... I'm not great with electronics so any help would be appreciated. I'm leaning towards ECM malfunction? My radiator cap had blown off a couple times because of backpressure caused by a clogged reservoir line (resolved), and the ECM is right next to it.... please help!